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olga nikolaevna [1]
3 years ago
10

(FIRST CORRECT FOR BRAINIEST) Solve for x

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
4 0

Answer:

x = 12

Step-by-step explanation:

Angles in a triangle add up to equal 180 degrees

Hence, 10x - 11 + 3x - 2 + 3x + 1 = 180

( note that we just created an equation that we can use to solve for x )

we now solve for x using the equation we created

10x - 11 + 3x - 2 + 3x + 1 = 180

step 1 combine like terms

10 + 3x + 3x = 16x

- 11 - 2 + 1 = -12

we now have 180 = 16x - 12

step 2 add 12 to each side

- 12 + 12 cancels out

180 + 12 = 192

we now have 192 = 16x

step 3 divide each side by 16

16x / 16 = x

192 / 16 = 12

we're left with x = 12

Elena L [17]3 years ago
4 0

Answer:

x=12

the seniot math wiz already explained it correctly

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3 years ago
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Step-by-step explanation:

6 0
2 years ago
Which expressions are completely factored?
amm1812

The only expressions that are correctly factored are;

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B) 24a⁴ + 18 = 6(4a⁴ + 3)

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D) 30a⁶ - 24a² = 3a²(10a⁴ - 8)

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To factorize this, we will have to get out the common factor first. The common factor is 4a³. Thus, we now have;

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Read more about factorization of equations at; brainly.com/question/723406

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2 years ago
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BlackZzzverrR [31]

Answer:

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5 0
3 years ago
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